biggest rockstars will join97 >> coming up at 7:00 on "katie" we have jennifer lopez and why are an increasing number of elephants sea pups being treated at mammal center? and the biggest obstacles of iraq veterans for going into civilian life? >> the most memorable dresses warn by the late princess dianna are sold to the highest bidder, a collection of ten gowns being auctioned in london including the dress she wore to a white house dinner in 1985, right there, where she danced with john travolta showing her evolution from young newly wed to sleek style. >> she was gorgeous. >> she made everything look gorgeous. >> just beautiful. >> that will do it for us. from all of us at abc7 news thanks for joining us. captioned by, closed captioning services, inc.